CVE-2026-45921

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.4% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Undergoing Analysis. NVD last modified this record on 2026-06-24.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-27 12:17Z3 MO AGO

Last updated

2026-05-27 12:17Z3 MO AGO

Reserved

2026-05-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant
• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

99de704aa0c92e8d0d591842f66664a6c9f91255525801d1af55474db504d370

• git.kernel.orghttps://git.kernel.org/stable/c/0f5e62ea5c43146eacdc6861cb1022ffae1b79bc
• git.kernel.orghttps://git.kernel.org/stable/c/e97f5fac8ce9a6b9ec724c97d86b0985e915fdca
• git.kernel.orghttps://git.kernel.org/stable/c/ec121ad626c319085f6d40a52cd04e99b4554926
• git.kernel.orghttps://git.kernel.org/stable/c/971e9c53aed82f17a9c6a65daa4e21cc15eba5b1
• git.kernel.orghttps://git.kernel.org/stable/c/980ce2b02dd06a4fdf5fee38b2e14becf9cf7b8b